“…Especially, the heavy-metal ions from plating plants, mining, metal finishing, welding, and alloys manufacturing have already endangered the sustainable development of human society [1][2][3]. On the other hand, phenol contaminants in wastewaters generated from petroleum, coal conversion, and phenol producing industries are considered one of the priority pollutants in wastewater, because they were harmful to organisms even at low concentrations [4,5], so that they had been classified as hazardous pollutants based on their potential toxicity to human health. Therefore, Environmental Protection Agency (EPA) regulations call for lowering phenol content in wastewater to less than 1 ppm [6].…”